SureFire LED Weapon Light w/1 Switch 500 Lumens Black. SureFire built these Rifle Weapon Lights with a lightweight yet durable hard anodized aluminum body that's O-ring sealed for waterproof protection. The SureFire Compact LED Forend WeaponLight for H&K MP5 HK53 & HK94 features a TIR lens that shapes the beam for optimal performance during mid to long-distance engagements. Add a powerful light you can easily operate with your normal firing grip by equipping the SureFire 328LMF Forend WeaponLight. Specifications for SureFire LED Weapon Light w/1 Switch: Manufacturer: SureFire Light Output: 500 lumens Bulb Type: LED Battery Type: CR123A Color: Black Gun Model: Heckler & Koch HK94 Heckler & Koch HK53 Heckler & Koch MP5 Diameter: 1 in Length: 8.14 in Weight: 9.6 oz Battery Life: 1.4 hours Finish: Mil-Spec anodizing Included Accessories: Battery and Switch Condition: New Gun Type: Rifle Fabric/Material: High Strength Aerospace Aluminum Features of SureFire LED Weapon Light w/1 Switch Virtually indestructible LED and TIR lens produce brilliant beam optimized for close- to medium-range applications Ergonomic switching provides positive control of illumination with a normal firing grip Hard-anodized aluminum body tempered window & O-ring seals make light rugged and durable Package Contents: SureFire LED Weapon Light w/1 Switch SureFire 328LMF-B: LED Weapon Light w/1 Switch 500 Lumens Black